﻿<p>This function validates if a list of segment indices are connected to represent a concecutive curve. The last index of any, but the last, segment shall be identical with the first index of the next segment.</p>

<blockquote class="note">NOTE&nbsp; If the last index of the last segment is identical with the first index of the first segment, the curve is closed.</blockquote>
<blockquote class="history">HISTORY&nbsp; New function in IFC4 ADD1</blockquote>